Question: Name the position held by Mieszko when he is replaced by Boleslaw I Chrobry?
Paraphrase: What position was held by Mieszko when he was replaced by Boleslaw I Chrobry?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q53435 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P1366 wd:Q53436 }